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題名 | 冷凍、浸水、日曬與埋土深度處理對香附子(Cyperus rotundus L.)塊莖田間出土能力之影響=Influence of the Freezing, Soaking, Solarization and Soil Depth Treatments on Tuber's Speouting Ability of Cyperus rotundus L. |
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作者姓名(中文) | 黃坤傑; 侯金日; | 書刊名 | 中華民國雜草學會會刊 |
卷期 | 37:1 2016.06[民105.06] |
頁次 | 頁13-30 |
分類號 | 371.65 |
關鍵詞 | 香附子; 塊莖; 出土; 冷凍; 浸水; 日曬; 埋土深度; Cyperus rotundus L.; Tuber; Sprouted; Freezing; Soaking; Solarization; Soil depth; |
語文 | 中文(Chinese) |
中文摘要 | 本研究主要探討香附子(Cyperus rotundus L.)塊莖經冷凍、浸水、日曬與埋土深度處理對塊莖田間出土能力之影響,作為防除方法之依據及參考。在彰化縣郊區採集香附子塊莖,選擇外觀良好之健康塊莖,香附子塊莖經處理後,種植在裝有一般田土之盆內進行試驗,定期調查萌芽株數。試驗結果如下:香附子塊莖不耐冷凍,萌芽率最高在冷凍1小時之處理為58.67%,在冷凍4小時之處理,則不會萌芽,塊莖萌芽率明顯隨著冷凍時間上升而下降。塊莖經過浸水處理後,萌芽率明顯下降,萌芽率最高在浸水14天之處理為57.33%,但經過浸水112天之處理,萌芽率仍有20%。塊莖對日曬處理之耐受性不佳,萌芽率明顯隨著日曬天數的增加而下降,萌芽率最高在日曬1 天之處理為95.67%,日曬4天出土率為15.7%,在日曬5天之處理萌芽率則為0。埋土深度對香附子出土之影響,塊莖之萌芽率會隨著埋土深度之上升而下降,在埋土深度5 cm的處理下,出土率最高,幾乎達到100%,而埋土深度45 cm處理後有19%之出土率。由上述4種處理方法得知,香附子塊莖進行冷凍與日曬處理抑制出土效果最佳,而埋土深度與淹水處理效果較差。 |
英文摘要 | This study focused on the influence of tuber's speouting ability (Cyperus rotundus L.) by using different treatments such as freezing, soaking, solarization and soil depth, which could be a method for the basis and reference of controlling. Tubers of Cyperus rotundus L. were collected in suburbs of Changhua city, after choosing healthy tubers with good appearance and did different treatments, all of the tubers were planted in each pots with general field soil for investigating the number of sprouted tubers regularly. The results are as follow: Cyperus rotundus L. could not stand freezing. Treatment of freezing 1 hour had the highest germination rate (58.67%), but there were no germination after freezing 4 hours, the germination rate of tuber decreased with freezing time rised. The germination rate decreased significantly after soaking treatment, the highest germination rate was soaking 14 days (57.33%), but after 112 days of soaking treatment, it still had 20% germination rate. Tubers could not stand solarization treatment, the germination rate of tuber decreased significantly with days of solarization rised, the highest germination rate was solarization 1 day (95.67%), the germination rate of solarization 4 days was 15.7%, and the germination rate of solarization 5 days was 0%. The germination rate of tuber decreased with soil depth rised, the highest germination rate was soil depth 5 cm (almost 100%), the germination rate of soil depth 45 cm was 19%. Known from the 4 treatments above, the best result for decreasing germination rate of tuber were freezing and solarization treatments, soil depth and soaking treatments had worse results. |
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